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A Hierarchical Key Management Scheme for Authentication of Roaming Mobile Nodes between Domains in Mobile Networks
Kihun HONG Souhwan JUNG
IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
authentication, mobile network, mobility, roaming, handover,
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This letter proposes a hierarchical key management scheme based on hash key chain for authentication of roaming mobile nodes in both intra-domain and inter-domain. The key management scheme uses a local master key concept for reducing the latency of the authentication procedure and the communication overhead between a home authentication server and an access point in the foreign domain. The proposed scheme also supports secure separation of the authentication key among local authentication servers using hash key chain.